You are the program manager for your organization and you are preparing to launch several constituent projects within your program. You need to ensure that each project manager is authorized to utiliz

The project scope statement defines the boundaries of what is included in the project but does not confer authority on the project manager to use organizational resources.

A roles and responsibilities chart describes who is accountable for which tasks but does not grant formal authority to access or commit organizational resources.

A project resource requirements document identifies the types and quantities of resources needed but does not authorize the project manager to actually obtain or direct those resources.

The project charter formally recognizes the existence of a project and explicitly grants the project manager the authority to apply organizational resources - people, budget, equipment - to project activities. Without a charter, a project manager has no formal organizational backing to commit or direct resources across functional boundaries.